PLEASE HELP! In 2-3 sentences describe why the only way an infinite geometric series has a sum is if |r| < 1.

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asked Jun 23, 2022 57.9k views

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Noam Almosnino · Answer 1 · 2022-06-28T04:10:11+0000

the term r^n will equal to zero because and number < 1 that is raise to the power infinity the answer is zero that is why in a infinite geometric series, sum = a / 1 - r.
hope this helps

PLEASE HELP! In 2-3 sentences describe why the only way an infinite geometric series has a sum is if |r| < 1.

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